Jack Off Jill was an American alternative rock band from Fort Lauderdale, Florida, founded in 1992 by vocalist Jessicka, drummer Tenni Ah-Cha-Cha, bassist/keyboardist Agent Moulder, and guitarist Michelle Inhell. Though these four women were the initial founders, nine members rotated through the group in its life-span, including Scott Putesky, guitarist and co-founder of Marilyn Manson. The band lasted nine years, with only Jessicka and Moulder remaining throughout the initial run. The band reunited in 2015 for a number of shows, with Jessicka, Tenni, Inhell, and bassist Helen Storer.

Jessicka Addams is an American visual artist and former musician. Best known by her stage name Jessicka, she was the frontwoman for the rock band Jack Off Jill, and later for the noise-pop band Scarling.